California contractor license
JOHN J LANGON JR
- B General Building
- C33 Painting And Decorating
JOHN J LANGON JR is a B General Building and C33 Painting And Decorating contractor in Castro Valley, Alameda County, licensed in California for 53 years (since 1973). As of Dec 31, 2025, the license is active with an expiration date of Jan 31, 2028 on record and a license bond is on file.
JOHN J LANGON JRB General Building · C33 Painting And Decorating · checked Dec 31, 2025
ActiveLicense number#283657
Licensed sinceApr 10, 1973
Years licensed53 years
Expiration on recordJan 31, 2028
City and countyCastro Valley, Alameda County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Dec 31, 2025.